Unit 1 Flashcards
Allergens
A substance that triggers an immune reaction
Asphyxiants
A substance that displaces oxygen from air
Carcinogens
A substance that promotes the formation of cancer
Combustible vs flammable
Combust burns easy
Flammable catches fire easy
Flash point
The point at which a liquid or gas catches fire
I.D.L.H.
Immediately dangerous to life or health
Irritants
Causes immune reaction(inflammation, rash, itch)
LC50 LD50
Median lethal dose
Lethal. Concentration/dose.50% of sample test
Mutagen
A health hazard that causes genetic(dna) mutations
Organic
Contains at least carbon and hydrogen
Poison
A substance that can cause illness or death when consumed
STEL
Short term exposure limit. The amount of exposure time before a substance becomes harmful
Teratogen
A health hazard that causes mutation
Vapour
The gas form of a usually solid or liquid substance
Volatile
Easily changes to a vapour
HHPS
Hazardous household product symbols
WHMIS
Workplace hazardous materials information system
Why was WHMIS changed in 2015?
- to incorporate the GHS system
- to comply with new policies and laws
GHS
Globally harmonized system
WHMIS hazard level system 2015
1 or 1A. More hazardous
1B.
2.
3. Less hazardous
WHMIS hazard level system 1988
Red= fire hazard Blue= health hazard Yellow= reactivity White= specific hazard
4= severe 3= serious 2= moderate 1= slight 0= minimal
WHMIS and HHPS in the real world
WHMIS found in work and lab environments
HHPS found in household chemicals
Where does chemical waste go?
Designated waste container
What to wear
Lab coat
Gloves
Goggles
Closed toe shoes